1/17/2024 0 Comments Stockfish 15 rating![]() I will be making a YouTube video about Stockfish 15 vs 14. The Stockfish team Learn more about the Stockfish team We invite our chess fans to join the Fishtest testing framework and programmers to contribute to the project. Indeed, the Stockfish project builds on a thriving community of enthusiasts to offer a free and open-source chess engine that is robust, widely available, and very strong. This work by Pasquale Pigazzini, Tom Vijlbrief, Michel Van den Bergh, and various other developers is an essential part of the success of the Stockfish project. In the last few years, our distributed testing framework, Fishtest, has been operated superbly and has been developed and improved extensively. To perform these tests, contributors provide CPU time for testing, and in the last year, they have collectively played roughly a billion chess games. Stockfish and Leela models dont predict human moves as well as Maia. These include the fourth generation of our NNUE network architecture, as well as various search improvements. We also compared against a variety of Leela chess models, ranging from the very weak 800-rated version to a 3200-rating version. ![]() For Stockfish 15, we tested nearly 13000 different changes and retained the best 200. This progress is the result of a dedicated team of developers that comes up with new ideas and improvements. I think this rough comparison shows that we surpassed AlphaZero a while ago. Without going into a discussion of hardware, time controls, openings, lack of testing etc. At TCEC, Stockfish won the Season 21, Cup 9, FRC 4 and in the current Season 22 superfinal, at the time of writing, has won 16 game pairs and not yet lost a single one. On the CCRL 40/15 list, Stockfish 14 is rated +175 Elo higher than Stockfish 8. At CCC, Stockfish won all of the latest tournaments: CCC 16 Bullet, Blitz and Rapid, CCC 960 championship, and the CCC 17 Rapid. Improvements to the engine have made it possible for Stockfish to end up victorious in tournaments at all sorts of time controls ranging from bullet to classical and even at Fischer random chess. In our testing, Stockfish 15 is ahead of Stockfish 14 by 36 Elo points and wins nine times more game pairs than it loses. Stockfish 15 continues to push the boundaries of chess, providing unrivalled analysis and playing strength. ![]() 5 days ago, Stockfish 15 has been launched officially. ![]()
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